Delete NetworkingContext and its subclasses.

Source/WebKit/chromium/WebKit.gyp

 #
 # Copyright (C) 2011 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #         * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #         * Redistributions in binary form must reproduce the above
@@ skipping 296 matching lines @@
                 'src/EventListenerWrapper.cpp',
                 'src/EventListenerWrapper.h',
                 'src/ExternalDateTimeChooser.cpp',
                 'src/ExternalDateTimeChooser.h',
                 'src/ExternalPopupMenu.cpp',
                 'src/ExternalPopupMenu.h',
                 'src/FindInPageCoordinates.cpp',
                 'src/FindInPageCoordinates.h',
                 'src/FrameLoaderClientImpl.cpp',
                 'src/FrameLoaderClientImpl.h',
-                'src/FrameNetworkingContextImpl.cpp',
-                'src/FrameNetworkingContextImpl.h',
                 'src/GeolocationClientProxy.cpp',
                 'src/GeolocationClientProxy.h',
                 'src/GraphicsLayerFactoryChromium.cpp',
                 'src/GraphicsLayerFactoryChromium.h',
                 'src/gtk/WebInputEventFactory.cpp',
                 'src/WebHelperPluginImpl.cpp',
                 'src/WebHelperPluginImpl.h',
                 'src/IDBCallbacksProxy.cpp',
                 'src/IDBCallbacksProxy.h',
                 'src/IDBCursorBackendProxy.cpp',
@@ skipping 474 matching lines @@
         ['clang==1', {
             'target_defaults': {
                 'cflags': ['-Wglobal-constructors'],
                 'xcode_settings': {
                     'WARNING_CFLAGS': ['-Wglobal-constructors'],
                 },
             },
         }],
     ], # conditions
 }